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Move requests-responses and polling from ChainSync to SyncingEngine (#1650)

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Move request-response handling from `ChainSync` to `SyncingEngine` as
part of [Sync
2.0](https://github.com/paritytech/polkadot-sdk/issues/534) refactoring
aimed at making `ChainSync` a pure state machine.

Resolves https://github.com/paritytech/polkadot-sdk/issues/502.

---------

Co-authored-by: Aaro Altonen <48052676+altonen@users.noreply.github.com>
Co-authored-by: Bastian Köcher <git@kchr.de>
This commit is contained in:
Dmitry Markin
2023-09-27 19:44:37 +03:00
committed by GitHub
parent 02284a3e82
commit 14e5d23348
8 changed files with 608 additions and 542 deletions
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substrate/client/network/common/src/sync.rs
+18 -10
View File
@@ -36,7 +36,7 @@ use sp_runtime::{
};
use warp::WarpSyncProgress;
use std::{any::Any, fmt, fmt::Formatter, pin::Pin, sync::Arc, task::Poll};
use std::{any::Any, fmt, fmt::Formatter, pin::Pin, sync::Arc};
/// The sync status of a peer we are trying to sync with
#[derive(Debug)]
@@ -204,6 +204,23 @@ pub enum PeerRequest<B: BlockT> {
WarpProof,
}
#[derive(Debug)]
pub enum PeerRequestType {
Block,
State,
WarpProof,
}
impl<B: BlockT> PeerRequest<B> {
pub fn get_type(&self) -> PeerRequestType {
match self {
PeerRequest::Block(_) => PeerRequestType::Block,
PeerRequest::State => PeerRequestType::State,
PeerRequest::WarpProof => PeerRequestType::WarpProof,
}
}
}
/// Wrapper for implementation-specific state request.
///
/// NOTE: Implementation must be able to encode and decode it for network purposes.
@@ -289,9 +306,6 @@ pub trait ChainSync<Block: BlockT>: Send {
/// Returns the current number of peers stored within this state machine.
fn num_peers(&self) -> usize;
/// Returns the number of peers we're connected to and that are being queried.
fn num_active_peers(&self) -> usize;
/// Handle a new connected peer.
///
/// Call this method whenever we connect to a new peer.
@@ -369,10 +383,4 @@ pub trait ChainSync<Block: BlockT>: Send {
/// Return some key metrics.
fn metrics(&self) -> Metrics;
/// Advance the state of `ChainSync`
fn poll(&mut self, cx: &mut std::task::Context) -> Poll<()>;
/// Send block request to peer
fn send_block_request(&mut self, who: PeerId, request: BlockRequest<Block>);
}